semihosting: defer connect_chardevs a little more to use serialx

With that we can just use -semihosting-config chardev=serial0.

[AJB: tweak commit message]

Signed-off-by: KONRAD Frederic <[email protected]>
Signed-off-by: Alex Bennée <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Message-Id: <[email protected]>
Message-Id: <[email protected]>

Author: KONRAD Frederic

softmmu/vl.c

@@ -4127,8 +4127,6 @@ void qemu_init(int argc, char **argv, char **envp)
 
     qemu_opts_foreach(qemu_find_opts("chardev"),
                       chardev_init_func, NULL, &error_fatal);
-    /* now chardevs have been created we may have semihosting to connect */
-    qemu_semihosting_connect_chardevs();
 
 #ifdef CONFIG_VIRTFS
     qemu_opts_foreach(qemu_find_opts("fsdev"),
@@ -4279,6 +4277,9 @@ void qemu_init(int argc, char **argv, char **envp)
     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
         exit(1);
 
+    /* now chardevs have been created we may have semihosting to connect */
+    qemu_semihosting_connect_chardevs();
+
     /* If no default VGA is requested, the default is "none".  */
     if (default_vga) {
         vga_model = get_default_vga_model(machine_class);